Scorch retarder PVI

Scorch retarder PVI

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DETAILS

Indicator name

powder

Dustproof powder

Granule

Appearance (visual inspection)

White powder (granules)

Initial melting point ℃≥

90.0

90.0

90.0

Heating reduction%≤

0.40

0.40

0.40

Ash%≤

0.30

0.30

0.30

Sieve residue (63μm), % ≤

0.50

0.50

 

Sieve residue (850μm), % ≤

1.00

1.00

 

Oil content, %

 

1.0-2.0

 

Particle size, mm

   

1.5-2.5

[Product Performance]

White or light yellow crystal, soluble in benzene, ether, acetone and ethyl acetate, soluble in warm n-heptane and carbon tetrachloride. Slightly soluble in gasoline, insoluble in kerosene and water.

[Scope of application]

A scorch inhibitor for synthetic rubber and natural rubber. It can be used in combination with all sulfenamide or thiazole accelerators to control the safety of the operation and prevent early vulcanization without affecting the vulcanization characteristics and properties of the vulcanizate. This product can significantly improve the storage stability of unvulcanized rubber compound, so that the waste rubber compound is greatly reduced. This product is not contaminated.

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